From Fall Creek Falls State Park - 

From Chattanooga, TN - Take Hwy 111 north to the Dunlap exit; turn right on Hwy 127 north to Pikeville; turn right onto Main St.
From Knoxville, TN - Take I-40 to the Crossville/Hwy 127 exit; continue south on Hwy 127 to Pikeville; turn left onto Main St.
From Nashville, TN - Take I-24 south to Tn-28 North (exit 155; Dunlap/Jasper); continue north on Hwy 127 to Pikeville; turn right onto Main St.